Meanwhile, I can see below code in flink 1.5
public static final ConfigOption<String> CLASSPATH_INCLUDE_USER_JAR =
key("yarn.per-job-cluster.include-user-jar")
.defaultValue("ORDER")
.withDescription("Defines whether user-jars are
included in the system
class path for per-job-clusters as" +
" well as their positioning in the path. They
can be positioned at the
beginning (\"FIRST\"), at the" +
" end (\"LAST\"), or be positioned based on
their name (\"ORDER\").
Setting this parameter to" +
" \"DISABLED\" causes the jar to be included in
the user class path
instead.");
Does this mean the user jar should always be included in class path?
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